如何实现含泛型列表成员的通用Web请求类UserRequest？

I'm trying to implement a generic request class for sending web requests, so I added a generic list IList<T> as a member in the UserRequest<T> generic class. Here's my code:

public class UserRequest<T> where T : RealmObject 
{ 
    public string userName { get; set; } 
    public string password { get; set; } 
    public string userId { get; set; } 
    public int page { get; set; } 
    public IList<T> requestList { get; set; } 
}

Now I can send multiple Contact or Customer data via instances like UserRequest<Contact>. Is this implementation reasonable?

Short Answer #

Yes, this implementation is reasonable as a starting point, but there are some tweaks and considerations to make it more robust, secure, and aligned with common .NET and web API best practices.

Breakdown of Pros & Areas to Improve #

What Works Well

• Generic Flexibility: By constraining T to RealmObject, you ensure only your Realm entities can be used here—this keeps your request payload consistent with your data model, which makes total sense if you're sending Realm objects directly to an API.
• Clear Purpose: The class neatly bundles user/authentication context (userName, userId, password) with a batch of entities and pagination (page)—this is a common pattern for batch requests that require user context, so the core idea is solid.

Areas to Refine

1. Naming Conventions:

   • C# follows PascalCase for public members, so userName → UserName, password → Password, requestList → RequestList, etc. This makes your code instantly familiar to other .NET developers.
   • Consider renaming UserRequest<T> to something more specific if it's only for batch entity submissions—like RealmEntityBatchRequest<T> or BatchSubmissionRequest<T>—to avoid confusion with other request types (e.g., auth-only requests).

2. Security for Authentication:

   • Storing a plain-text password in a request class is a big security risk. Most modern APIs use tokens (JWT, OAuth) instead of sending passwords with every request. If this class is for post-auth batch submissions, replace password with an AuthToken property. If it's for initial auth + batch submission, split the auth logic into a separate request entirely.

3. Avoid Null Reference Issues:

   • IList<T> is an interface, so it will be null by default unless initialized. Add an auto-property initializer to prevent null reference exceptions when adding items:

     public IList<T> RequestList { get; set; } = new List<T>();
     

4. Pagination Clarity:

   • The page property alone might not be sufficient for most APIs. Add a PageSize property to specify how many items per page, or rename page to CurrentPage for better readability.

5. Separation of Concerns (Optional):

   • If this class is serving double duty as both a request DTO (Data Transfer Object) and a domain model, consider splitting it. Create dedicated DTOs (like ContactRequestDto) that map from your Realm entities—this lets you exclude internal Realm properties that don't need to be sent to the API.

Final Thought #

Your core approach is smart—using generics to avoid duplicating code for batch submissions of different Realm entities is exactly the kind of reuse that makes generics powerful. With the above tweaks, this class will become more secure, maintainable, and fit seamlessly into most .NET web request workflows.

内容的提问来源于stack exchange，提问作者Hunt